CVE-2021-1379 | Cisco IP Phones with Multiplatform Cisco Discovery Protocol buffer overflow (cisco-sa-ipphone-rce-dos-U2PsSkz3)
A vulnerability identified as critical has been detected in Cisco IP Phones with Multiplatform, Session Initiation Protocol Software and Small Business IP Phones. This affects an unknown function of the component Cisco Discovery Protocol/Link Layer Discovery Protocol. This manipulation causes buffer overflow.
This vulnerability is tracked as CVE-2021-1379. The attack is possible to be carried out remotely. No exploit exists.
You should upgrade the affected component.